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Egypt unrest
Cairo's central Tahrir Square was the focal point for anti-Mubarak protesters during 18 days of demonstrations. As the protest neared its peak, the BBC's Yolande Knell took a tour of the area. Explore the protesters' camp by clicking on the links.
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Tanks
Throughout the demonstration, protesters have sat and slept around tanks parked near the Egyptian Museum, to prevent the army from advancing into the square.
Street clinic
This "street hospital", staffed by volunteer doctors, is one of several clinics where injured protesters have their wounds treated. Since Egyptians do not typically have access to free medical care, some say the clinics in the square are an improvement on what they are used to.
Flag sellers
A whole economy has grown up in the square since the protests began. Street vendors sell flags and hats in the colours of the Egyptian flag. A large flag costs five Egyptian pounds (about 50p).
Food stalls
This bean seller is one of many food vendors who have set up stalls inside the barricades. Protesters have also taken over the Hardees fast food restaurant, where they give out free bread and cheese.
Rubbish bins
Egypt has no formal system of recycling so the demonstrators have set up their own, as part of efforts to keep the square clean.
Artwork
This artwork, "Egypt's Heart", is one of many created by the demonstrators. The heart faces down one of the streets through which pro-Mubarak supporters came to clash with the anti-government protesters. Many visitors have had their photographs taken next to the heart.
'KFC clinic'
This Kentucky Fried Chicken fast food restaurant has been taken over by protesters and turned into a clinic for the injured and the sick.
Newspaper wall
Every morning Egypt's main newspapers are pasted up on the shutters of this shop, allowing protesters who cannot afford to buy a paper can still follow the latest reports, says our correspondent.
Pharmacy
This pharmacy near the main stage is helping campers and visitors keep clean and healthy. Some of the supplies are being given out for free.
Campsite
Though the majority of demonstrators go home each evening, a hard core have set up campsites on the roundabout, pavements and grass verges. Some sleep in tents, while others shelter under plastic sheets and rugs draped across pathways.
Wall of martyrs
Memorials of protesters who died during the uprising have been erected at the "wall of martyrs". Friends of the victims put up pictures and accounts of how they died. Some are very graphic and accuse the police of brutality.
Toilets
The camp toilets are here in a shed formerly used by construction workers near the Egyptian Museum. After 18 days, the smell is quite incredible.
Kindergarten
Schools in Cairo have been closed during the protests. But there are so many mothers who want to attend the demonstration that many bring their children here - to a kindergarten organised by the demonstrators.
Bloggers
Egypt's internet activists have played a key role in the pro-democracy protests and many are camped together on the roundabout in the centre of the square.
Water point
Drinking water is not easy to come by, so protesters have been filling their bottles at this water point beside a construction site.
Main stage
This platform has become a kind of "Speakers' Corner" for protesters to call comrades to action and pay tribute to those who have died during the demonstrations. The white screen is used to project televised speeches by the government and the army.
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